<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="./require.js" data-main="main"></script>

    <script>
        var Base = function () {
            this.a = 2
        }
        Base.prototype.a = 3;
        var o1 = new Base();
        var o2 = Object.create(Base.prototype);
        console.log(o1);
        console.log(o2.a);
    </script>
</head>
<body>
body
<div id="test" > this is test</div>
</body>
</html>